Inventions · Topic 35 of 112
The Ballpoint Pen
⭐ MasteredThe ballpoint pen uses a small rotating ball at its tip to spread ink evenly onto paper. It replaced older pens that often leaked or dried out.
💡 Fun fact
The ballpoint pen was patented in 1938 by László Bíró.
All about The Ballpoint Pen
The ballpoint pen uses a small rotating ball at its tip to spread ink evenly onto paper. It replaced older pens that often leaked.
The ball picks up ink from a cartridge and rolls it onto the page as you write. Ballpoint pens are cheap, reliable and dry quickly.
🎮 Try it yourself!
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Real-life uses of The Ballpoint Pen
- Writing at school
- Signing documents
- Everyday note-taking
Frequently asked questions about The Ballpoint Pen
What does the ball do?
Spreads ink evenly.
Who patented it?
László Bíró.